1640493405

素因数分解:

$3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{86183}}^1$

素因数の和:86247

約数の個数: 40

約数和(自身を含む): 3003340032

約数和(自身を除く): 1362846627

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 141, 235, 405, 423, 705, 1269, 2115, 3807, 6345, 19035, 86183, 258549, 430915, 775647, 1292745, 2326941, 3878235, 4050601, 6980823, 11634705, 12151803, 20253005, 34904115, 36455409, 60759015, 109366227, 182277045, 328098681, 546831135, 1640493405]

約数ペア:

[(1, 1640493405), (3, 546831135), (5, 328098681), (9, 182277045), (15, 109366227), (27, 60759015), (45, 36455409), (47, 34904115), (81, 20253005), (135, 12151803), (141, 11634705), (235, 6980823), (405, 4050601), (423, 3878235), (705, 2326941), (1269, 1292745), (2115, 775647), (3807, 430915), (6345, 258549), (19035, 86183)]